APA

Gallun R. A., Stevenson J. W. & Stevenson J. W. (2001). Fundamentals of oil and gas accounting. Tulsa, Oklahoma: PennWell Books.

Chicago

Gallun Rebecca A, Stevenson John W and Stevenson John W. 2001. Fundamentals of oil and gas accounting. Tulsa, Oklahoma: PennWell Books.

Harvard

Gallun R. A., Stevenson J. W. and Stevenson J. W. (2001). Fundamentals of oil and gas accounting. Tulsa, Oklahoma: PennWell Books.

MLA

Gallun Rebecca A, Stevenson John W and Stevenson John W. Fundamentals of oil and gas accounting. Tulsa, Oklahoma: PennWell Books. 2001.